Introduction
The CONUSEA H157 Mini Drone is a compact and versatile quadcopter designed for both beginner and intermediate users. Featuring cool LED lights, dual control options (remote and watch), and intelligent obstacle avoidance, it offers an engaging flight experience. This manual provides detailed instructions for safe operation and maintenance of your H157 Mini Drone.
Safety Warnings
⚠ WARNING: This product can expose you to chemicals including phthalates (DEHP), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
- Always operate the drone in open, clear areas, away from people, animals, and obstacles.
- Do not fly near high-voltage lines, airports, or restricted airspace.
- Ensure the drone battery is fully charged before each flight.
- Supervise children during operation. Recommended age: 3-14+ years.
- Avoid flying in strong winds or adverse weather conditions.
- Do not touch the propellers when they are spinning.
- Keep the drone away from water and moisture.
Package Contents
Verify that all items are present in your package:
- UFO Drone x 1
- Remote Control x 1
- Lithium Battery (3.7V 500mAh) x 1
- Charging Cable x 1
- Spare Blades x 4
- Screwdriver x 1
- Instruction Manual x 1
- Watch Remote Control x 1

Setup
1. Battery Installation & Charging
- Drone Battery: Insert the provided 3.7V 500mAh lithium battery into the drone's battery compartment. Ensure it is securely connected.
- Charging: Connect the drone's lithium battery to the charging cable, then plug the charging cable into a USB power source. Charging time is approximately 60 minutes. The indicator light on the charging cable will typically change or turn off when fully charged.
- Remote Control Battery: Open the battery compartment on the back of the remote control and insert 3 AAA batteries (not included), ensuring correct polarity.
2. Propeller Installation (if needed)
If the propellers are not pre-installed or need replacement:
- Identify the A and B propellers. Each propeller has a specific mounting position.
- Use the provided screwdriver to attach the propellers to the motor shafts, ensuring they are firmly secured but not overtightened.
3. Pairing the Drone with Remote Control
- Place the drone on a flat, level surface.
- Turn on the drone's power switch. The LED lights on the drone will start blinking.
- Turn on the remote control's power switch.
- Push the left joystick (Throttle Lever) all the way up, then all the way down. The drone's LED lights will stop blinking and remain solid, indicating successful pairing.
Operating Instructions
Remote Control Functions (MODE2)

| Control | Function |
|---|---|
| Throttle Lever (Left Joystick) | Ascend/Descend (Up/Down), Turn Left/Right (Left/Right) |
| Steering Lever (Right Joystick) | Forward/Backward (Up/Down), Left/Right Side Fly (Left/Right) |
| One-touch ascending/descending (Top Left Button) | Short press for one-key take-off/landing. Long press for emergency stop. |
| Speed switching / Headless mode (Top Left Button, long press) | Short press to cycle through 3 speed gears (fast/medium/slow). Long press to activate/deactivate Headless Mode. |
| Toggle Light / Obstacle Avoidance (Top Right Button) | Short press to toggle LED lights. Long press to turn on/off obstacle avoidance function. |
| 360° Roll (Top Right Button, long press) | Press to perform a 360° flip in the air. |
| Left fine-tuning / One-touch rotation (Bottom Left Button) | Adjust left/right drift. Long press for one-touch rotation. |
| Right fine-tuning (Bottom Left Button) | Adjust left/right drift. |
| Rear fine-tuning / One-touch wrap-around (Bottom Right Button) | Adjust forward/backward drift. Long press for one-touch wrap-around (surround flight). |
| Former fine-tuning (Bottom Right Button) | Adjust forward/backward drift. |
| Power switch (Center) | Turns the remote control on/off. |
Watch Remote Control (Gravity Sensor)
The watch remote control allows for gesture-based flight. Wear the watch on your wrist and use hand movements to control the drone's direction and altitude. Refer to the watch remote control's specific instructions for detailed gesture commands.
Flight Features
- One-Key Take-off/Landing: Press the designated button on the remote for easy take-off or landing.
- Stabilized Flight: The drone maintains stable flight, making it easier for beginners to control.
- 360° Roll: Perform impressive aerial flips with a single button press.

Figure 3: Performing a 360° Roll. - Intelligent Obstacle Avoidance: The drone uses intelligent navigation to avoid obstacles and prevent collisions. When an obstacle is sensed, the UFO will emit an orange blinking light and perform an emergency rebound.

Figure 4: Obstacle Avoidance in action. - Headless Mode: In headless mode, the drone's orientation is relative to the pilot, making it easier to control without worrying about the drone's front or back.
- Intelligent Surround Flight: Easy one-button surround flight without complicated controls.

Figure 5: Intelligent Surround Flight. - Speed Switching: The UFO supports 3 speeds: low, medium, and high. Adjust the flight speed according to your skill level.

Figure 6: Flight Speed Adjustments.
LED Lighting Effects
The H157 Mini Drone features 38-color LED slide lights with various modes:
- Regular Lights: Multicolored neon, monochrome streamer, two-color streamer, breathing light, changing ticker, streamer ticker.
- Directional Lighting: When the remote control joystick controls the direction (forward/backward/left/right), the UFO's lights will converge in the corresponding direction.
- Obstacle Avoidance Lighting: When the UFO senses an obstacle, it will emit an orange blinking light.
- Low Power Lighting: When the UFO's power level is too low, the light will turn red and stay on.

Product Video
Video 1: H157 Mini Drone in action, showcasing flight modes, LED lights, and control.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the drone body. Do not use water or chemical cleaners.
- Propeller Check: Regularly inspect propellers for damage (bends, cracks). Replace any damaged propellers immediately using the spare blades and screwdriver.
- Battery Care:
- Do not overcharge or over-discharge the battery.
- Store the battery in a cool, dry place when not in use.
- If the drone will not be used for an extended period, charge the battery to about 50% before storage.
- Storage: Store the drone and its accessories in a safe, dry place, away from direct sunlight and extreme temperatures.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Drone does not respond to remote. | Not paired; low battery in drone or remote; out of range. | Re-pair the drone and remote. Charge batteries. Ensure drone is within 80 meters of remote. |
| Drone flies erratically or drifts. | Not calibrated; damaged propeller; strong wind. | Perform gyroscope calibration (refer to remote control instructions). Check and replace damaged propellers. Fly in calm conditions. Use fine-tuning buttons to correct drift. |
| Drone does not take off. | Low battery; propellers blocked; motors not spinning. | Charge drone battery. Clear any obstructions from propellers. Check motor connections. |
| Obstacle avoidance not working. | Feature is turned off; sensor obstruction. | Long press the top right button on the remote to ensure obstacle avoidance is active. Clean any dirt or debris from the drone's sensors. |
Specifications
| Attribute | Detail |
|---|---|
| Model | H157 |
| Brand | CONUSEA |
| Product Color Options | White, Yellow |
| Product Dimensions | 15.5 x 15.5 x 4 cm (approx.) |
| Drone Weight | 0.28 KG |
| Takeoff Weight | 0.2 KG |
| Material | Plastic, Metal, Electronic Components |
| Receiving Frequency | 2.4G |
| Control Channels | 4 channels |
| Appearance | UFO Flying Saucer |
| Recommended Age | 3-6Y, 6-12Y, 14+Y (Beginner, Intermediate, Expert) |
| Motor Model | 716 Hollow Cup Brush Motor |
| Charging Time | Approx. 60 minutes |
| Remote Control Distance | Approx. 80 meters |
| Single Battery Flight Time | Approx. 7 minutes |
| Speed Gears | Fast, Medium, Slow (3 speeds) |
| Body Battery | 3.7V 500mAh Lithium Battery (included) |
| Remote Control Battery | AAA * 3 (not included) |
| LED Lights | 38-color LED slide lights (multicolored neon, monochrome streamer, two-color streamer, breathing light, changing ticker, streamer ticker) |
| Features | Obstacle Avoidance, Remote Control Watch Dual-Mode, Surround Flight, High-Speed Rotation, Air Pressure Setting, Six-Axis Gyroscope, One-Key Takeoff/Landing, Headless Mode, 360° Roll |
| Certification | CE |
| Controller Mode | MODE2 |
| Indoor/Outdoor Use | Indoor-Outdoor |
| Aerial Photography | No |
| Package Dimensions | 19 x 19 x 9 cm |
| Package Weight | 0.34 KG |

User Tips
- Practice in Low Speed: For beginners, start with the low-speed setting to get accustomed to the controls before moving to medium or high speeds.
- Indoor Flight: The drone's compact size and obstacle avoidance make it suitable for indoor use, but ensure sufficient clear space to avoid collisions with furniture or walls.
- Outdoor Flight: When flying outdoors, choose calm days with minimal wind to ensure stable flight and prevent the drone from being carried away.
- LED Lights for Orientation: Utilize the colorful LED lights to help maintain orientation, especially in low-light conditions. The directional lighting can be particularly helpful.
- Battery Management: Always carry a spare charged battery for extended flight sessions, as the flight time is approximately 7 minutes per battery.
Warranty and Support
For warranty information, technical support, or service inquiries, please contact the seller or refer to the official product website. Keep your purchase receipt as proof of purchase.